technology is dark matter. it's touching everything all the time, and improving things and creating productivity. so i would be very bullish about the future as long as we have good public policy. good public policy. i can't mention all the countries we do business with, a lot of them, but i would mention north korea, cuba, venezuela, among others. that's what public policy can do if you're not intelligent. >> one public policy you've advocated for is immigration reform. >> yes. >> how would that change your business? >> i tell people, corporate taxes, our tax system is pushing capital at the margin overseas. now we're taking brains. i believe 40% of those who graduate with advanced degrees in the united states in science, technology, engineering, math, are foreign nationals. we used to welcome them with open arms. in fact, a lot of you are foreign nationals, or if you weren't, your parents were or your grandparents here. they were welcomed with open arms. life, liberty and pursuit of happiness. we're now telli